/*-
 * ============LICENSE_START=======================================================
 * SDC
 * ================================================================================
 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ============LICENSE_END=========================================================
 */
package org.openecomp.sdc.be.dao.graph.datatype;

import com.google.gson.Gson;
import java.util.List;
import java.util.Map;
import org.apache.commons.lang3.tuple.ImmutablePair;
import org.openecomp.sdc.be.dao.jsongraph.heal.HealConstants;
import org.openecomp.sdc.be.dao.neo4j.GraphPropertiesDictionary;
import org.openecomp.sdc.be.datatypes.enums.GraphPropertyEnum;
import org.openecomp.sdc.be.datatypes.enums.NodeTypeEnum;

public abstract class GraphNode extends GraphElement {

    private static final Gson gson = new Gson();
    private NodeTypeEnum label;

    protected GraphNode(NodeTypeEnum label) {
        super(GraphElementTypeEnum.Node);
        this.label = label;
    }

    protected Gson getGson() {
        return gson;
    }

    public String getLabel() {
        return label.getName();
    }

    public ImmutablePair<String, Object> getKeyValueId() {
        return new ImmutablePair<>(getUniqueIdKey(), getUniqueId());
    }

    public ImmutablePair<String, Object> getKeyValueIdForLog() {
        return getKeyValueId();
    }

    protected void addIfExists(Map<String, Object> map, GraphPropertiesDictionary property, Object value) {
        if (value != null) {
            if (value instanceof List || value instanceof Map) {
                value = getGson().toJson(value);
            }
            map.put(property.getProperty(), value);
        }
    }

    public abstract String getUniqueId();

    public String getUniqueIdKey() {
        return GraphPropertiesDictionary.UNIQUE_ID.getProperty();
    }

    public String getHealingVersionKey() {
        return GraphPropertyEnum.HEALING_VERSION.getProperty();
    }

    /**
     * Must be overridden in implelemting classes
     *
     * @return current heal version. Default heal version if function not implemented.
     */
    public Integer getHealingVersion() {
        return HealConstants.DEFAULT_HEAL_VERSION;
    }

    /**
     * Must be overriden in implementing classes
     *
     * @param version healing version number
     */
    public void setHealingVersion(Integer version) {
    }

    @Override
    public String toString() {
        return "GraphNode [label=" + label + ", parent: " + super.toString() + "]";
    }
}
